Xathrid Slyblade would fit nicely here.

i like that i forgot all about that card comming out.

Haha. It happens. I once built a deck entirely around one card. I even named it after that card and then forgot to include it.

Xathrid Slyblade and Hot Soup is a fun combo, although Hot Soup probably doesn't fit anywhere outside of limited.

idk how well Hot Soup will fit in but ill play around with it

You have a pretty good setup here. My one suggestion is that you replace Vraska with Garruk Relentless  ^Flip or Garruk, Apex Predator . Vraska the Unseen is better in an unblockable deck. However both Garruks are great in deathtouch decks, as they can both create deathtouch creatures. I would personally recommend Garruk Relentless because it is an earlier game card. Apex Predator seems a bit expensive for your deck.

Ob Nixilis, Unshackled also fits pretty well because creatures are going to die a lot.

im going to keep it standard. But the Garruk, Apex Predator is a very good idea i just need to get ahold of one. The Ob Nixilis, Unshackled i knew about and am getting one soon. Im going to get another athreos and pharika to play test them. im also in the process of getting another Pack Rat and the black/green pain lands to even out the mana. I might replace vraska with another Liliana Vess when everything rotates if i dont have a garruk by then, vraska is just one of my favorite walkers so i built a black/green deck around her and then splashed white and created this.

@UPPMeech what do you think now. I was able to get ahold of some of the cards i wanted to put in the deck.

Why Athreos?

Also, why Ob Nixilis? Except for the occasional Chord of Calling (which they would probably just cast anyway unless they're low on life, if he is even out by then), it seems like a 6 mana 4/4 flyer in a deck that could play a 4 mana 6/6 flyer.

Athreos is so i can willingly block or start throwing attacks knowing that i can more than likely play my creatures over and over unless they start paying life. And since i have deathtouch they are less likely to block so some of my attacks will get through.

Ob Nixilis is in here because i can kill multiple creatures at once so he can get more powerfull. And if i have him in my hand and cant play him i can turn him into a rat then use pharika to make him a deathtouch snake. Once in a while i can give him first strike and deathtouch so if hes blocked i can just allocate one damage to the creature and the rest at the player.

... Why don't you just make Athreos into an attacker/blocker (you don't have a ton of good devotion enablers) that you say he makes better? And Ob Nixilis into an actual Pack Rat? Also if your plan is to make Ob Nixilis bigger by killing things, which seems sketchy in a deck with 3 removal spells and a Vraska as kill spells, why don't you just play something that is already bigger? And cheaper?

Pack Rat gives devo to black with every token. and i have other creatures that give more than enough devo to make athreos active. And i have deathtouch so if you attack and i block 2 creatures die making Ob Nixilis a 6/6 flyer with trample and if that happens twice hes an 8/8.